src/jdk.compiler/share/classes/com/sun/tools/javac/code/Lint.java

@@ -178,10 +178,15 @@
          * Warn about use of deprecated items.
          */
         DEPRECATION("deprecation"),
 
         /**
+         * Warn about compiler generation of a default constructor.
+         */
+        DEFAULT_CTOR("default-ctor"),
+
+        /**
          * Warn about items which are documented with an {@code @deprecated} JavaDoc
          * comment, but which do not have {@code @Deprecated} annotation.
          */
         DEP_ANN("dep-ann"),